Home / 1,109,829.20-1,531,569.64-626,414.80

Finding the Fourth Proportional to 1,109,829.20, 1,531,569.64 and 626,414.80

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Solution

The fourth proportional to 1,109,829.20, 1,531,569.64 and 626,414.80 is: 864,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,829.20 : 1,531,569.64 = 626,414.80 : x
  2. Step 2: Convert to fraction form
    1,109,829.20/1,531,569.64 = 626,414.80/x
  3. Step 3: Cross multiply
    1,109,829.20x = 1,531,569.64 × 626,414.80
  4. Step 4: Simplify right side
    1,109,829.20x = 959,397,889,726.67
  5. Step 5: Solve for x
    x = 959,397,889,726.67/1,109,829.20
  6. Step 6: Final answer
    x = 864,455.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.